"About 30 percent of heart attacks, strokes and deaths from heart disease can be prevented in people at high risk if they switch to a Mediterranean diet rich in olive oil, nuts, beans, fish, fruits and vegetables, and even drink wine with meals, a large and rigorous new study found."

The study, conducted over a five-year period in Spain, yielded such overwhelmingly conclusive results that researchers stopped the experiment early, thinking that it was unethical to continue, according to the Times.